NARRATIVE and ITINERARY
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Philhtiae Zoological Expedition 1946-1947 NARRATIVE and ITINERARY HARRY HOOGSTRAAL FIELDIANA: ZOOLOGY VOLUME 33, NUMBER 1 Published by CHICAGO NATURAL HISTORY MUSEUM APRIL 18, 1951 Philippine Zoological Expedition 1946-1947 NARRATIVE and ITINERARY HARRY HOOGSTRAAL Field Associate, Department of Zoology FIELDIANA: ZOOLOGY VOLUME 33, NUMBER 1 Published by CHICAGO NATURAL HISTORY MUSEUM APRIL 18, 1951 PRINTED WITH THE ASSISTANCE OF The Edward E. Ayer Lecture Foundation Fund PRINTED IN THE UNITED STATES OF AMERICA BY CHICAGO NATURAL HISTORY MUSEUM PRESS CONTENTS PAGE List of Illustrations 5 Introduction 9 List of Collecting Localities 15 Itinerary of Expedition 22 Summary of Specimens Collected 28 Operations on Luzon Island 29 Operations on Mindanao Island 35 Operations in Palawan Province (Palawan Island and Adjacent Groups) ... 68 Index 85 LIST OF ILLUSTRATIONS PLATES 1. The Philippine Bureau of Science. Fig. 1. Drawing of facade of Philippine Bureau of Science building, before World War II. Fig, 2. Ruins of Bureau of Science building, 1946. 2. Industrial development in the Davao region, Mindanao Island. Fig. 1. Dipterocarpus logs. Fig. 2. Manila hemp drying near Davao. 3. Second-growth timber, Mindanao Island. Fig. 1. A tarsier in the second-growth coastal scrub at Caburan, Davao. PMg. 2. Clearing second-growth timber for a Manila hemp plantation. 4. Mount Apo Range and Mount McKinley base camp. Fig. 1. The Mount Apo Range from the northeast. The main peaks, from left to right, are Mount Apo, Mount McKinley, and Mount Washington. Fig. 2. Insect-sorting bench at Mount McKinley base camp. 5. Mossy forest on east slope of Mount McKinley. Fig. 1. Mossy stunted forest (elev. 7,200 feet). Photograph by Donald Heyneman. Fig. 2. Mossy forest (elev. 6,400 feet). 6. Mount Apo. Fig. 1. Ground palm and arboreal fern at Mainit camp (elev. 4,300 feet). Fig. 2. Boulder field below crater (elev. 9,600 feet). 7. Lake Linau. Fig. 1. View from crater border of Mount Apo. The light area in the center is grass, that to the left of the lake is a bog. Fig. 2. Vegetation at border of lake. TEXT FIGURES PAGE 1. The Philippine Islands. The islands named on the map are those on which the Philippine Zoological Expedition of 1946-47 made collections . 8 2. Luzon, showing localities at which the expedition collected 31 3. Southeastern Mindanao, Davao Province, showing localities at which the expedition collected 37 4. Profiles of Mount Apo Range, southeastern Mindanao 49 6 6 LIST OF ILLUSTRATIONS PAGE 5. Southwestern Mindanao, Cotabato Province, showing localities reached by the expedition 63 6. Palawan Province, showing islands and localities reached by the expedi- tion 69 7. Diagram showing distribution of vegetation in the Puerto Princesa area, Palawan Island 71 PHILIPPINE ISLANDS ISLANDS MARKED ARE THOSE ON WHICH PHILIPPINE ZOOLOGICAL EXPEDITION OPERATED 1946-1947 BUSUANG/y». TAMALPULAN<.\j\ CULIONV^ Q^Ofjp Fig. 1. The Philippine Islands. The islands named on the map are those on which the Philippine Zoological Expedition of 1946-47 made collections. The Philippine Expedition INTRODUCTION The Philippine Zoological Expedition began its field operations less than a year after the termination of hostilities of World War II in the Pacific area. The plans had gradually evolved in the course of war-time correspondence with Mr. Karl P. Schmidt, Chief Curator of the Department of Zoology, in Chicago Natural History Museum. Each of us considered that we should avail ourselves of the oppor- tunity to use some of the surplus stores of United States Army equipment already in the Pacific and the services of experienced and enthusiastic naturalist-soldiers who were willing to take their discharge overseas for the purpose of collecting zoological specimens of species poorly represented in American museums. Lieutenant Donald Heyneman, Infantry, Army of the United States, a pre-war student at Harvard University and an enthusiastic naturalist and observer, quickly volunteered to join the expedition. Mr. Floyd Werner, a student of entomology, who had recently been discharged from the Army, was employed by Chicago Natural History Museum, and arrived a few weeks after our Mindanao operations began. He had also been a pre-war Harvard student and had been employed by the Museum of Comparative Zoology. The Philippine Islands (fig. 1) were selected as our locale, and an opportunity for mutual benefit to Chicago Natural History Museum and the Philippine National Museum presented itself. The Bureau of Science building in Manila (see pi. 1) and the once important Philippine Museum collections had been destroyed in the war, and the Museum personnel was eager to get into the field again. Arrange- ments were accordingly concluded between Chicago Museum and the Honorable Jos6 Camus, Undersecretary of Agriculture and Commerce of the newly established Philippine Republic, whereby the Philippine Government furnished the services of several expedi- tion members, whose salaries it paid, and Chicago Museum, besides furnishing its own personnel, agreed to pay all expenses and to identify and store all specimens, which were to be divided between the two institutions, until such time as the Philippine Museum should again have facilities to care for its collections. 9 10 FIELDIANA: ZOOLOGY, VOLUME 33 Dr. Eduardo Quisumbing, Director of the Philippine National Museum, and Dr. Canuto G. Manuel, Curator of the Zoological Collections, made their museum staff members available for the field work. Their personnel varied from time to time as individuals were transferred to other governmental duties or were detained in Manila. Those who were members of the expedition at one time or another are as follows: Messrs. Dioscoro S. Rabor, Manuel Celestino, Arturo Castro, Gregorio Edafio, Godofredo Alcasid, Herminio R. Rabanal, Pascual Convocar, Prudencio Afionuevo, and Telesforo Oane. Afionuevo and Oafie were employed first by Chicago Natural History Museum and later by the Philippine National Museum. While we were preparing for the expedition, officials of the United States Army requested us to continue the exploration of little-known areas of the Philippines for rare and new species of mosquitoes that attack man, a project that I had initiated in my military capacity in the Nineteenth Medical General Laboratory. The Army provided supplies and travel facilities in return for speci- mens and such data as we could obtain on the prevalence of insect- borne disease in the areas visited. We were aware that travel would have to be limited because of high costs, so we chose the three most important Philippine type localities of mammals as our base points and decided to concentrate our collecting in these areas. The localities selected were (1) Mount Data in Mountain Province, Luzon; (2) Mount Apo and the sur- rounding lowlands of Davao Province in Mindanao; and (3) Puerto Princesa in Palawan. Our side trips were to be made as opportunities offered themselves and funds allowed. By specializing on mammals, and collecting as many as possible of other vertebrate and inverte- brate species, we were able to obtain a satisfactory representation of the fauna of several parts of the archipelago. As a result of the cordial relations established between the two museums participating in the expedition, it is hoped that collections from intervening areas can gradually be obtained through co-operative efforts. The Philippine Republic at this time was hardly beginning to recover from the great losses suffered during World War IL Inter- island steamship sailings were uncertain and greatly reduced in number, and the boats were crowded. Most of the few roads in Mindanao had deteriorated, and few bridges remained. Plane service to populated places was excellent, however, and accidents were rare. HOOGSTRAAL: INTRODUCTION TO PHILIPPINE EXPEDITION 11 While we were able to obtain a considerable amount of our provisions and supplies from surplus United States Army stores, we were continually harassed during the first six months we were in the field by our inability to get deliveries of specialized equipment ordered from the United States. For several months we collected birds and mammals with only rat traps and two old shotguns, our ammunition consisting of skeet loads from Army stores. The Moro areas of Mindanao were closed to travel at this time and lawless elements in other areas, as well as unsettled political conditions, necessitated some caution. However, with a reasonable amount of care, we were able to operate with few untoward incidents, and the great friendliness of a large portion of the population of the Philippines was so genuine that we were willing to overlook many difficulties. In all, the expedition remained in the field for about twelve months. April and May of 1946 were spent in Mountain Province and in Abra Province, Luzon. Much of July and early August was spent at dock or at sea en route from Manila to Davao, Min- danao. The entire party spent three weeks of August, all of Sep- tember, and part of October on Mount McKinley, where Werner joined us on August 20. From there we moved to the lowlands of Tagum Municipality at the north end of Davao Gulf for a few weeks. Later in October, and continuing into November, we established camps on Mount Apo, and smaller field parties worked the Davao and Cotabato lowlands until February, 1947. Lieutenant Heyneman returned to the United States late in December, 1946, because of illness. The period from February to mid-May, 1947, was spent in the islands of Palawan Province. During the last days of May and the first few days of June, 1947, Werner collected insects at Las Bailos and Mount Makiling, in Luzon. A considerable botanical collection was made, at least parts of which will be reported on elsewhere. Mr. Gregorio Edaiio, a veteran collector of the Philippine Museum, was largely responsible for these collections. In the mountains of Davao few of the party could resist the temptation to bring representatives of the magnificent flora, especially mosses, ferns, and orchids, back to camp, and Edafio's work was often confined to the pressing and drying of the specimens.